Home / 729,016.75-1,006,043.13-427,210.75

Finding the Fourth Proportional to 729,016.75, 1,006,043.13 and 427,210.75

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Solution

The fourth proportional to 729,016.75, 1,006,043.13 and 427,210.75 is: 589,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,016.75 : 1,006,043.13 = 427,210.75 : x
  2. Step 2: Convert to fraction form
    729,016.75/1,006,043.13 = 427,210.75/x
  3. Step 3: Cross multiply
    729,016.75x = 1,006,043.13 × 427,210.75
  4. Step 4: Simplify right side
    729,016.75x = 429,792,440,099.65
  5. Step 5: Solve for x
    x = 429,792,440,099.65/729,016.75
  6. Step 6: Final answer
    x = 589,550.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.